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Across 4. figure before transformation. 8. not changing size or shape. 10. having the same size and shape. 11. point on a line equidistant between two points. 12. lines that cross at 90 degree angles. 15. line that image is reflected across. 18. points of image and pre-image that map to each other. 22. a line of reflection in a figure that reflects the figure onto itself. 23. transformation that changes location only, not orientation. 24. direction an object is facing.

Down 1. point of rotation about which all other points move. doesn't move. 2. line forming a 90 degree angle that cuts another line into two congruent segments. 3. transformation that changes orientation. 5. figure after transformation. 6. changing object from one location to another. 7. when two parts cover the same space. 8. clockwise or counterclockwise. 9. when a figure can rotate onto itself. 13. two points that are the same distance to a 3rd point. 14. circular angle describing degree of rotation. 16. part of line between two points. 17. mirror image transformation. 19. when a figure can translate onto itself. 20. point where two line segments intersect. 21. coordinates (x and y).